TMDb-U: Working directory is module's root folder, therefore path to secrets is without '..'
TMDb-U: Update secrets.yml.template

IMPORTANT: Virtuoso is no service but a DB, therefore
the credentials have been moved to the 'databases' top-level.
TMDb-M: WIP: Refactor and adapt logic

Focuses on movies, smaller methods, sequential processing,
multiple virtuoso request to gather required data